Answer :
$2 = 5 coasters
x = 60 coasters
60 / 5 = 12
12 x $2 = $24
$24 = 60 coasters
$5 = 2 coasters
60 / 2 = 30
30 x $5 = $150
$150 - $24 = $126
$126 in profit
x = 60 coasters
60 / 5 = 12
12 x $2 = $24
$24 = 60 coasters
$5 = 2 coasters
60 / 2 = 30
30 x $5 = $150
$150 - $24 = $126
$126 in profit